Updated mediawiki/extensions
Project: mediawiki/extensions/LiquidThreads  295abf67a475cec9f0e8bc108e848edeb4648c9e
null
JSHint: unescaped square brackets in regex

Some square brackets (] and [) were not properly escaped when being used
in regex. They were marked as FIXME entry, so being bold and fix them on
sight.
That probably deserve a human test in the web interface.

Change-Id: Iaefe3870b5e5b645fc668e36169b841ef7f48c34